Yoshichika Ohta

Tokyo Institute of Technology — Japan

Engineering · Physical Sciences

11h-index662citations142works0.42yr avg
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Research Topics

Advanced MIMO Systems Optimization(43), Millimeter-Wave Propagation and Modeling(32), Antenna Design and Analysis(28), Wireless Communication Networks Research(26), Energy Harvesting in Wireless Networks(23)

Publications142 total

A Basic Study on Beamforming Characteristics of a Partially Driven Array Antenna at 39 GHz for Reducing Total Power Consumption
2025
Experimental Evaluation of Beam Tracking for HAPS Feeder Link
2025
Integrated Communication and Wireless Power Transfer System with Beamforming Control
2025
Gut Microbiota in Elderly Japanese Patients Undergoing Long-Term tube feeding
2025Open Access
The Characteristics of Rectifiers with Frequency Modulated Waves Input
2025
Experiments on a Communication and WPT Integrated System Using UWB-Based Position Estimation
2025
R&D of High Altitude Platform Station (HAPS) towards B5G/6G
Denshi Jouhou Tsuushin Gakkai Tsuushin Sosaieti magajin/B-plus/Denshi Jouhou Tsuushin Gakkai Tsuushin Sosaeti magajin·2025Open Access
Instantaneous Characteristics of Multi Tone Signals and Operation of Rectifiers with Beat Waves Input
2024· 1 cited
Evaluation of Antenna Placement for LoS-MIMO in HAPS Feeder Link
2024
Proposition of Novel Evaluation Method and Values for Wireless Power Transfer With Modulated Waves
2024
Experiments on WPT Feedback Control in WPT and Communication System Based on Base Station
2024· 2 cited
Power Consumption and Reduction of High-Power Amplifier in 5G NR Downlink
IEEE Access·2024· 2 citedOpen Access
Experiments on Coexistence of Microwave WPT and Energy Harvesting with a Matrix Switching Circuit and Solar Power Cells
2023
Design and Analysis of LoS-MIMO Systems with Uniform Cross Array Composed of Dual-polarized Antennas
2023
Basic Experimental Evaluation of Feeder Link Transceiver in HAPS System
2023· 6 cited
An Experimental Study on Automatic Gain Control in HAPS Wireless Repeater System
2023· 1 cited
28 GHz band wireless power transfer experiments with a GaAs rectenna MMIC with an inductive high impedance patch antenna
2022 Asia-Pacific Microwave Conference (APMC)·2022· 11 cited
Function Expansion of B5G/6G Mobile Base Stations for Wireless Power Transfer
2022 Asia-Pacific Microwave Conference (APMC)·2022· 9 cited
Experiment of Communication and Wireless Power Transfer System Based on Base Stations
2022 Asia-Pacific Microwave Conference (APMC)·2022· 5 cited
Design of Robust LoS-MIMO Transmission in HAPS Feeder Link
2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)·2022· 3 cited
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Frequent Co-authors

Teruya Fujii(10), Naoki Hasegawa(10), Hidenori Kakehashi(9), H. Fukunaga(7), Hideki Omote(7), Yuta Nakamoto(7), Yuki Takagi(6), Kenji Hoshino(5), Takashi Hirakawa(5), H. Ogasawara(4), Atsushi Nagate(3), Shoichi Sudo(3), Takuya Eguchi(3), Tamotsu Ninomiya(3), T. Chikamura(3), S. Fujiwara(3), Yutaka Miyata(3), Masakazu Fukai(3), Toshiaki Fujii(3), Yohei Shibata(2)